import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/home.vue'
import welcome from '../components/welcome.vue'
import users from '../components/user/users.vue'
import rights from '../components/power/rights.vue'
import roles from '../components/power/roles.vue'
import cates from '../components/goods/cates.vue'
import params from '../components/goods/params.vue'
import goodLists from '../components/goods/goodLists.vue'
import add from '../components/goods/add.vue'
import orders from '../components/order/orders.vue'
import report from '../components/report/report.vue'

Vue.use(VueRouter)

const routes = [{
  path: '/',
  redirect: '/home'
},
{
  path: '/login',
  component: Login
},
{
  path: '/home',
  component: Home,
  redirect: '/welcome',
  children: [{
    path: '/welcome',
    component: welcome
  }, {
    path: '/users',
    component: users
  },
  {
    path: '/rights',
    component: rights
  }, {
    path: '/roles',
    component: roles
  },
  {
    path: '/categories',
    component: cates
  },
  {
    path: '/params',
    component: params
  },
  {
    path: '/goods',
    component: goodLists
  },
  {
    path: '/goods/add',
    component: add
  },
  {
    path: '/orders',
    component: orders
  }, {
    path: '/reports',
    component: report
  }
  ]
}
]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from代表从那个路径来跳转来
  // next是一个函数，表示放行
  //  next()  next("/login")强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
